[nsp] Suggestions on terminating a bunch of T1's

[jlewis at lewis.org]

On Wed, 4 Feb 2004, Jim Devane wrote:

>             I am attempting to design a fabric that will be able to
> terminate 1100 T1's in one POP. I know, the good sense would suggest that
> the T1's be terminated at the individual CO's and then backhaul the IP
> traffic to the POP but that is not politically a solution. So the problem I
> have is a slew of 4 pair T1's showing up at my cage. Here is what I have
> thought of for solution but I am really looking for more sensical ways.
> 
> Current first place design.
> 
> Wrap the T1's into 40 M13's. 
> Run the channelized DS-3's to a 7206 VXR full of PA-MC-2T3+
> I would need 4 7026 and use one of the PA's for an uplink of some sort.
> Kind of sucks but might be the cheapest way. 

3 7507 and a bunch of VIP2-50's and RSP4's would likely be even cheaper
and perform better.  

How much bandwidth will these T1's be using?  You'd need a GEIP+ for
uplink in each 7507 if they might all run full T1.

----------------------------------------------------------------------
 Jon Lewis *jlewis at lewis.org*|  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |  
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________